Invisible Ink Pens for UV Light Lessons
With two or more Spy Pens, secret messages can be sent between friends! This incredible pen writes with invisible ink. Reveal the hidden message with the pen's special ultraviolet light. Use this pen to mark unknown samples for students in the laboratory. Batteries included and replaceable. This item was quick to become one of our most popular everyone we've shown it to wants one! Style and color may vary.
With two or more Spy Pens, secret messages can be sent between friends! This incredible pen writes with invisible ink. Reveal the hidden message with the pen's special ultraviolet light. Use this pen to mark unknown samples for students in the laboratory. Batteries included and replaceable. This item was quick to become one of our most popular everyone we've shown it to wants one! Style and color may vary.
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An ideal tool for transferring quilt and craft designs as well as pattern markings on washable fabrics. This air- and water-soluble pen features disappearing ink. An ideal tool for transferring quilt and craft designs as well as pattern markings on washable fabrics. This air- and water-soluble pen features disappearing ink which normally vanishes in 48-72 hours. To remove your marks, rub gently with clean, damp cloth.
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Invisible Ink Pens for UV Light Lessons
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